Installation Guide

Table Of Contents
4. Depress the latch on the lower part of the power supply to release the power supply from the chassis.
5. Grasp the handle and pull, sliding the power supply from the chassis and supporting the power supply from beneath as you
remove it.
Inserting a DC power supply module
To insert a DC power supply module, complete the following steps.
1. Unpack the new power supply and remove it from the anti-static bag.
2. Inspect the power supply for damage.
3. Insert the power supply into the slot.
4. Make sure that the latch snaps into place in the chassis.
5. Reconnect the power lugs to the power supply unit by connecting the -48V wire to the negative terminal and the 0V wire to the
positive terminal.
NOTE
The DC return must be isolated from the device ground (DC-I) when making connections to the power supply.
6. Replace the safety cover.
7. Reattach the power cord to the power source.
8. Verify that the power LED on the power supply displays a steady green light.
NOTE
This equipment installation must meet NEC/CEC code requirements. Consult local authorities for regulations.
Verifying power supply module operation
To verify operation of a power supply assembly, perform the following procedure.
1. Check the LEDs on the power supply module front panel. For information about interpreting LED patterns, refer to Interpreting
power supply module LEDs on page 80.
2. Enter the following commands and note any error conditions:
show environment power - Displays the current status of the power supply.
show system - Displays information of each component in the system.
High Voltage Power Supply Unit supporting AC and
DC Voltages
The SLX 9850-4 SLX 9850-8 supports High Voltage Power Supply Unit (PSU). It is a single PSU that can operate both High Voltage
AC (HV AC) and High Voltage DC (HV DC) in the ranges shown below:
High Voltage Power Supply Unit supporting AC and DC Voltages
ExtremeRouting SLX 9850-8 Hardware Installation Guide
9035475-02 Rev AA 105